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how to dry bananas in a food dehydrator


Bananas are a popular fruit loved by people of all ages. They are not only delicious but also packed with essential nutrients like potassium, vitamin C, and dietary fiber. While bananas are most commonly consumed fresh, they can also be dehydrated to create a convenient and healthy snack option. In this article, we will explore the process of drying bananas using a food dehydrator, along with helpful tips and tricks to ensure the best results.

Why Dry Bananas?

Drying bananas can be a fantastic way to extend their shelf life and create a snack that can be enjoyed anytime, anywhere. Unlike fresh bananas that can become mushy or spoil quickly, dehydrated bananas have a long shelf life and can be stored for months. Moreover, the drying process concentrates the natural sugars in the fruit, resulting in a sweeter and chewier texture. This makes dried bananas a perfect option for a quick energy boost or a healthy snack while on the go.

Choosing the Right Bananas

To achieve the best results when drying bananas, it's important to choose the right ones. Opt for ripe bananas that have turned yellow and have a few brown specks. These bananas will have the perfect balance of sweetness and firmness. Overly ripe bananas may become too soft and difficult to handle during the slicing process, while underripe bananas might not have enough natural sugars to develop a pleasant taste after drying.

Preparing the Bananas

Once you have chosen the ideal bananas for drying, it's time to prepare them. Start by gently peeling the bananas and discard the skins. Next, slice the bananas into uniform pieces. Aim for slices that are around 1/4 to 1/2 inch thick as they will dehydrate more evenly. Using a sharp knife, cut the bananas into slices lengthwise or crosswise, depending on your preference. Thinner slices will result in crispier dried bananas, while thicker slices will be chewier.

Preventing Browning

Bananas tend to brown quickly after being exposed to the air due to an enzyme called polyphenol oxidase. While browning doesn't affect the taste or safety of the dried bananas, it can be visually unappealing. To prevent browning, there are a few options to consider. One method is to dip the banana slices in lemon juice or a mixture of lemon juice and water before placing them in the dehydrator. The citric acid in lemon juice helps neutralize the polyphenol oxidase enzyme, preventing the bananas from turning brown. Alternatively, you can also soak the sliced bananas in a solution of ascorbic acid or Vitamin C tablets dissolved in water.

Loading the Dehydrator Trays

Once your bananas are prepped and any measures to prevent browning have been taken, it's time to load the trays of your food dehydrator. Make sure to leave enough space between the banana slices to allow for proper airflow. Overcrowding the trays may result in uneven drying or even the slices sticking together. If your dehydrator comes with multiple trays, stack them on top of each other, ensuring there is enough space for air circulation between the trays.

Drying Process

Set the temperature on the dehydrator according to the manufacturer's instructions. In general, the optimal temperature for drying bananas is around 125°F to 135°F (52°C to 57°C). The drying time will depend on various factors, including the thickness of the slices, moisture content in the bananas, and the dehydrator's efficiency. Drying typically takes between 6 to 12 hours. To check the progress, carefully remove a slice from the dehydrator and allow it to cool. The dried banana slice should be chewy, slightly pliable, and free of moisture. If you prefer crispier dried bananas, you can extend the drying time accordingly.

Storing Dried Bananas

Once the bananas have reached the desired level of dryness, remove the trays from the dehydrator and allow the slices to cool completely. Properly dried bananas should be leathery without any moisture content. Moisture can cause the bananas to spoil or become moldy during storage. To store dried bananas, transfer them to an airtight container or a ziplock bag. Keep the container in a cool, dark, and dry place. When stored correctly, dehydrated bananas can last up to a year. Regularly check for any signs of moisture or spoilage and discard any slices that appear discolored or have an off smell.

Versatility of Dehydrated Bananas

Dehydrated bananas are not only a delicious snack but also a versatile ingredient that can be used in various culinary creations.

1. Baked Goods: Add chopped dried bananas to your favorite muffin or bread recipes for a natural sweetness and chewy texture.

2. Trail Mix: Mix dried bananas with nuts, dried fruits, and chocolate chips to create a tasty and energy-boosting trail mix.

3. Cereal Topping: Crumble dried bananas over your morning cereal or oatmeal to add a tropical twist and natural sweetness.

4. Smoothies: Blend dried bananas with other dried fruits, milk, and yogurt to create a tasty and nutritious smoothie.

5. Oat Bars: Incorporate dried bananas into homemade granola or oat bars for a flavorful and wholesome snack option.


Drying bananas in a food dehydrator is a simple and rewarding process that allows you to create a healthy snack with a long shelf life. By following the steps outlined in this article, you can enjoy the sweet and chewy goodness of dehydrated bananas whenever you desire. Experiment with different thicknesses, flavors, and recipes to make this delicious and versatile snack truly your own. So go ahead, grab some ripe bananas, fire up your food dehydrator, and start enjoying the wonders of homemade dried bananas!


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